I/O 型单片机使用手册
目录
间接寻址寄存器 – IAR, IAR0, IAR1 .............................................35
间接寻址指针 – MP, MP0, MP1 ......................................................35
存储区指针 – BP .........................................................................36
累加器 – ACC...................................................................................37
程序计数器低字节寄存器 – PCL....................................................37
表格寄存器 – TBLP,TBHP,TBLH....................................................37
看门狗定时寄存器 – WDTS............................................................38
状态寄存器 – STATUS.....................................................................38
中断控制寄存器 – INTC,INTC0,INTC1 .........................................39
定时/计数寄存器...............................................................................39
输入/输出端口和控制寄存器...........................................................40
UART 寄存器 .USR,UCR1,UCR2,TXR/RXR,BRG.......................40
输入/输出端口..........................................................................................41
上拉电阻............................................................................................41
PA 口的唤醒......................................................................................41
输入/输出端口控制寄存器...............................................................41
引脚共享功能....................................................................................42
编程注意事项....................................................................................45
定时/计数器..............................................................................................46
配置定时/计数器输入时钟源...........................................................47
定时/计数寄存器 – TMR, TMR0,TMR0L/TMR0H,
TMR1L/TMR1H,TMR2.....................................................................49
定时/计数控制寄存器 – TMRC,TMR0C,TMR1C,TMR2C............50
定时器模式........................................................................................53
事件计数器模式................................................................................53
脉冲宽度测量模式............................................................................54
可编程分频器(PFD)和蜂鸣器的应用..............................................55
预分频器(Prescaler)...........................................................................56
输入/输出接口...................................................................................56
编程注意事项....................................................................................57
定时/计数器应用范例.......................................................................57
中断............................................................................................................59
中断寄存器........................................................................................59
中断优先权........................................................................................62
外部中断............................................................................................63
定时/计数器中断...............................................................................64
UART 中断........................................................................................64
编程注意事项....................................................................................65
复位和初始化............................................................................................66
复位....................................................................................................66
目录
iii
异步串行口——UART............................................................................74
UART 特性..........................................................................................74
UART 外部引脚..................................................................................74
数据发送.............................................................................................75
UART 状态控制寄存器......................................................................75
波特率发生器.....................................................................................79
UART 设置与控制..............................................................................81
UART 发送器......................................................................................83
UART 接收器......................................................................................84
接收错误处理.....................................................................................85
接收中断图解.....................................................................................86
地址检测模式.....................................................................................86
暂停模式下的UART 功能.................................................................87
UART 应用范例.................................................................................87
振荡器........................................................................................................89
系统时钟配置....................................................................................89
系统晶体/陶瓷振荡器.......................................................................89
系统电阻电容振荡器........................................................................90
内部系统电阻电容振荡器................................................................90
RTC 振荡器........................................................................................91
看门狗定时振荡器............................................................................91
暂停和唤醒................................................................................................92
暂停.....................................................................................................92
进入暂停.............................................................................................92
静态电流.............................................................................................92
唤醒....................................................................................................92
看门狗定时器............................................................................................94
掩膜选项....................................................................................................96
应用电路....................................................................................................97
第二部份 程序语言.....................................................................99
第二章 指令集介绍.................................................................................101
指令集......................................................................................................101
指令周期..........................................................................................101
数据的传送......................................................................................101
算术运算..........................................................................................102
逻辑和移位运算..............................................................................102
分支和控制的转换..........................................................................102
位运算..............................................................................................102
查表运算..........................................................................................103
其它运算..........................................................................................103
指令设定一览表......................................................................................104
惯例..................................................................................................104
I/O 型单片机使用手册
iv
第三章 指令定义.....................................................................................107
第四章 汇编语言和编译器.....................................................................121
常用符号..................................................................................................121
语句语法..................................................................................................122
名称..................................................................................................122
操作项..............................................................................................122
操作数项..........................................................................................122
注解..................................................................................................122
编译伪指令..............................................................................................123
条件编译伪指令..............................................................................123
文件控制伪指令..............................................................................124
程序伪指令......................................................................................126
数据定义伪指令..............................................................................130
宏指令..............................................................................................132
汇编语言指令..........................................................................................136
名称..................................................................................................136
助记符..............................................................................................136
操作数、运算子和表达式..............................................................136
其它..........................................................................................................139
前置引用..........................................................................................139
局部标号..........................................................................................139
汇编语言保留字..............................................................................140
编译器选项..............................................................................................141
编译列表文件格式..................................................................................141
源程序列表......................................................................................141
编译总结..........................................................................................142
其它..................................................................................................142
第三部份 开发工具................................................................... 145
第五章 单片机开发工具.........................................................................147
HT-IDE 集成开发环境............................................................................147
盛群单片机仿真器(HT-ICE) ..................................................................149
HT-ICE 接口卡.................................................................................149
OTP 烧写器.....................................................................................149
OTP 适配卡.....................................................................................149
系统配置..................................................................................................150
HT-ICE 接口卡设置........................................................................151
安装..........................................................................................................153
系统要求..........................................................................................153
硬件安装..........................................................................................153
软件安装..........................................................................................154
目录
v
第六章 快速开始.....................................................................................159
步骤一：建立一个新项目..............................................................159
步骤二：将源程序文件加到项目中..............................................159
步骤三：编译项目..........................................................................159
步骤四：烧写OTP 单片机.............................................................160
步骤五：传送程序与掩膜选项单至Holtek ..................................160
附录............................................................................................... 161
附录A 特性曲线图...................................................................................163
附录B 封装信息.......................................................................................173
